Sine rule (Finding a Length) | ExamSolutions

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In this tutorial I show you how to find a length of one side of a non-right angled triangle by using the Sine Rule. You can do this if you are given the opposite angle and another side and the opposite angle.
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Опубликовано:

4 дек 2010

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Комментарии : 55

@tom09005 12 лет назад

I still can't believe how easy you make all of this. You're a life saver, thank you.

@ExamSolutions_Maths 11 лет назад

Will do. Thanks for your support.

@jamesajordan3263 2 года назад

That was very well explained, thank you!

@aakima9684 7 лет назад

that time of year again, MOCKSSS!!!!

@NSkiiez 11 лет назад

Thank you so much, You have saved me with your angelic voice in combination with your simple explanation.

@daonlinek1ng312 7 лет назад

Thank you, kind sir.

@Trinity11222 13 лет назад

extremely helpful ! This Help Alot !!!!! Greetings From London !

@The_gamer_king2000 5 месяцев назад

Thank you very much ur a life saver thank you so much

@ExamSolutions_Maths 12 лет назад

Hope all goes well in your test

@OliverDuxbury1996 12 лет назад

Thank you so much !!!!

@Zero_Lx 8 лет назад

So useful now i wont get a detention, thanks.

@lownsy97 12 лет назад

thanks great explanation

@gipstar13 12 лет назад

THANK YOU SO MUCH! :)

@jam2319jf 8 лет назад

thanks never rly got this before

@helent8059 11 лет назад

thankyou!

@AlanRothwell38 8 лет назад

Nice and clear to understand, thank you.

@ExamSolutions_Maths 8 лет назад

+Alan R You're welcome

@fayadz 6 лет назад

what a life saver! i have my math final tomorrow, thank you!!!

@ExamSolutions_Maths 6 лет назад

I hope it went well for you and you were saved.

@ademeren6659 8 лет назад

wow thanks

@hiradbabakhani3226 9 лет назад

thanks

@arkamcreates 12 лет назад

thankz man (y)

@desserymarshall6524 8 лет назад

The Sine Rule is basically the topic im on ATM, and you helped me a lot. Thank you very much.

@ysingh311 4 года назад

Dessery Marshall have you finished it or are you still on it

@Cameron-tl2ty 6 лет назад

i love u so much

@FireFitt 4 года назад

LOVE THE OLD DAYS

@nagarajanvelayutham3310 8 лет назад

Thanks for your help.

@ExamSolutions_Maths 8 лет назад

I am pleased to hear that you found it useful.

@joshuacawthorn2887 11 лет назад

Could you provide a video for a solution to questions involving circle theorems? I would really appreciate that, as I seem to be struggling with kite, bow tie and cyclic quadrilaterals... Please reply.

@ExamSolutions_Maths 10 лет назад

Then it sounds like you need the cosine rule

@_malikfahad_ 4 года назад

Thnks man this was my biggest problem till now as i was catching up with my o level cource once again thanks man 😍 🤜🤛

@ExamSolutions_Maths 4 года назад

That's okay, pleased it helped. Good luck for your O-level course.

@ExamSolutions_Maths 12 лет назад

@gipstar13 Pleasure - nice to have your support

@ExamSolutions_Maths 12 лет назад

@ha56182 Thanks - Watford, Hertfordshire, UK

@ExamSolutions_Maths 12 лет назад

That's ok.

@mostafaali9134 9 лет назад

What program do you use ?

@RuhulAmin-wj8ep 8 лет назад

I was told to worm out an angle you use sin as tge numerator instead if the denominator

@arkamcreates 12 лет назад

heyy great video Thankz (Y) , but in my book it says you have you invert the equation to give you Sine A divided by a and sine b Divided by B and sine c Divided by C?

@benhorton023 11 лет назад

for the question do it your self can't u find the angle by adding up the other angles and take them away form 180 because a triangle adds up to 180?

@ffcsince1879 12 лет назад

i understand how to apply the sine rule etc but im doing c2 jan 2012 q7(c) and i dont understand how you are meant to use it if you are only given one angle and one side? its only two marks aswell.. would the fact that the triangle is isosceles have anything to do with it? the mark scheme has a second angle but it does not show how they got it

@ExamSolutions_Maths 13 лет назад

@Trinity11222 Greetings from Watford

@arkamcreates 12 лет назад

Hii again, i got a question where i need 2 find the length but i only have one angle and 2 sides length ?

@jackelynhauri7792 7 лет назад

Thank you so much for making this videos. Your videos helped me get an A in my math test. BTW I used to suck at math. Thank you. Feel proud about yourself and have a great week.

@ExamSolutions_Maths 12 лет назад

Maybe the cosine rule then will work.

@aisharashid5006 3 года назад

is this good for starting a level maths

@Nanafia1 10 лет назад

Hello! I have a question: I have a problem where I have to draw the triangle and then find the lengths of all unknown sides. It gives me ABC. angle A= 90 degrees, angle B=40 degrees and a= 15 cm. my question is how do I know which side of the triangle to put the small a, the given side? How do I draw this triangle?

@POTATOCHOCOLATE13 10 лет назад

If you have an angle that is 90 degrees tha means you have a right angle triangle. You can not use this rule with a right angle triangle. You have to use basic trigonometry.I'm sure exams solutions guy has made a video about it.

@ExamSolutions_Maths 11 лет назад

They are not ones I have on my list to do at present, sorry

@Rollonthefield 10 лет назад

What if you have 2 lengths and 1 angle?

@krishnavadgama2322 5 лет назад

What's this difference between SOHCAHTOA and this sine rule

@ExamSolutions_Maths 5 лет назад

SOHCAHTOA is used when working with right angled triangles whereas the sine and for that matter the cosine rule are used for non-right angled triangles.

@krishnavadgama2322 5 лет назад

@@ExamSolutions_Maths ok thx

@ExamSolutions_Maths 11 лет назад

Good, but not so sure about the angelic voice!